What’s Vulnerable › Vulnerabilities

CVE-2007-0756

• Severity: high (CVSS 7.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2007-02-06 · updated 2026-06-16

Description

Chicken of the VNC (cotv) 2.0 allows remote attackers to cause a denial of service (application crash) via a large computer-name size value in a ServerInit packet, which triggers a failed malloc and a resulting NULL dereference.

Affected products

• Chicken Of The Vnc: 2.0

References

• http://osvdb.org/33637
• http://securityreason.com/securityalert/2220
• http://www.securityfocus.com/archive/1/458907/100/0/threaded
• http://www.securityfocus.com/archive/1/466966/100/0/threaded
• http://www.securityfocus.com/bid/22372
• https://exchange.xforce.ibmcloud.com/vulnerabilities/32166
• https://www.exploit-db.com/exploits/3257
• http://osvdb.org/33637
• http://securityreason.com/securityalert/2220
• http://www.securityfocus.com/archive/1/458907/100/0/threaded
• http://www.securityfocus.com/archive/1/466966/100/0/threaded
• http://www.securityfocus.com/bid/22372

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